[time-nuts] OT: Prologix GPIB and HP3478A...

[Didier Juges]

Chuck,

Sending 
++addr 09; 
++read 10;
with my Prologix to the HP 3478A returns a single reading just fine. 

Didier KO4BB

> -----Original Message-----
> From: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] On Behalf Of Chuck Harris
> Sent: Tuesday, November 27, 2007 9:34 PM
> To: Discussion of precise time and frequency measurement
> Subject: [time-nuts] OT: Prologix GPIB and HP3478A...
> 
> Hi Gang!
> 
> I just bought a Prologix GPIB <-> USB converter model, 
> version 5.00, and I am having some problems.  It works fine 
> on some of my instruments, but it just locks up when I hook 
> it to an HP3478A DVM.  The DVM is known good, and works great 
> with my HP85B (doesn't everything?).
> 
> Basically, if I do any commands that require bus activity, 
> the Prologix locks up and refuses to respond to even the 
> ++ver command.  When I unplug the HP3478A, the Prologix once 
> again finds its happy spot, and responds normally.
> 
> Any ideas?
> 
> -Chuck Harris
> 
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